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In cryptography, a padding oracle attack is an attack which uses the padding validation of a cryptographic message to decrypt the ciphertext. In cryptography, variable-length plaintext messages often have to be padded (expanded) to be compatible with the underlying cryptographic primitive. The attack relies on having a "padding oracle" who freely responds to queries about whether a message is correctly padded or not. Padding oracle attacks are mostly associated with CBC mode decryption used within block ciphers. Padding modes for asymmetric algorithms such as OAEP may also be vulnerable to padding oracle attacks.

Attributes	Values
rdf:type	yago:WikicatCryptographicAttacks yago:Abstraction100002137 yago:Act100030358 yago:Activity100407535 yago:Attack100972621 yago:Event100029378 yago:Operation100955060 yago:PsychologicalFeature100023100 yago:YagoPermanentlyLocatedEntity military conflict
rdfs:label	Padding oracle attack (en) 密文填塞攻击 (zh)
rdfs:comment	In cryptography, a padding oracle attack is an attack which uses the padding validation of a cryptographic message to decrypt the ciphertext. In cryptography, variable-length plaintext messages often have to be padded (expanded) to be compatible with the underlying cryptographic primitive. The attack relies on having a "padding oracle" who freely responds to queries about whether a message is correctly padded or not. Padding oracle attacks are mostly associated with CBC mode decryption used within block ciphers. Padding modes for asymmetric algorithms such as OAEP may also be vulnerable to padding oracle attacks. (en) 在加密学中，密文填塞攻击（Padding Oracle attack，字面译为填充神谕攻击）是指使用密文的填充验证信息来进行解密的攻击方法。密码学中，可变长度的明文信息通常需要经填充后才能兼容基础的。此攻击方式依赖对密文是否被正确填充的反馈信息。密文填塞攻击常常与分组密码内的密码块链接解密模式有关。非对称加密算法，如最优非对称加密填充算法，也可能易受到密文填充攻击。 (zh)
foaf:depiction
dct:subject	Cryptographic attacks Transport Layer Security Computation oracles
Wikipage page ID	29157021 (xsd:integer)
Wikipage revision ID	1088720142 (xsd:integer)
Link from a Wikipage to another Wikipage	Ruby on Rails CBC mode of operation Cryptographic primitive Steam (service) Padding (cryptography) Transport Layer Security Web framework ASP.NET Cryptographic attacks Downgrade attack POODLE Jakarta Server Faces Serge Vaudenay Transport Layer Security Block cipher Computation oracles Test oracle Pigeonhole principle Message authentication code Signal-to-noise ratio Lucky Thirteen attack Oracle attack AES cipher OAEP Binary search
sameAs	Padding oracle attack Padding oracle attack Padding oracle attack Padding oracle attack Padding oracle attack Padding oracle attack Padding oracle attack
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thumbnail	wiki-commons:Special:FilePath/CBC_decryption.svg?width=300
has abstract	In cryptography, a padding oracle attack is an attack which uses the padding validation of a cryptographic message to decrypt the ciphertext. In cryptography, variable-length plaintext messages often have to be padded (expanded) to be compatible with the underlying cryptographic primitive. The attack relies on having a "padding oracle" who freely responds to queries about whether a message is correctly padded or not. Padding oracle attacks are mostly associated with CBC mode decryption used within block ciphers. Padding modes for asymmetric algorithms such as OAEP may also be vulnerable to padding oracle attacks. (en) 在加密学中，密文填塞攻击（Padding Oracle attack，字面译为填充神谕攻击）是指使用密文的填充验证信息来进行解密的攻击方法。密码学中，可变长度的明文信息通常需要经填充后才能兼容基础的。此攻击方式依赖对密文是否被正确填充的反馈信息。密文填塞攻击常常与分组密码内的密码块链接解密模式有关。非对称加密算法，如最优非对称加密填充算法，也可能易受到密文填充攻击。 (zh)
gold:hypernym	Attack
prov:wasDerivedFrom	wikipedia-en:Padding_oracle_attack?oldid=1088720142&ns=0
page length (characters) of wiki page	12258 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Padding_oracle_attack
is Link from a Wikipage to another Wikipage of	Block cipher mode of operation UltraISO Index of cryptography articles Padding (cryptography) Transport Layer Security WS-Security Serge Vaudenay Block cipher Authenticated encryption Lucky Thirteen attack Malleability (cryptography) Oracle attack Padding oracle CBC oracle CBC padding oracle CBC padding oracle attack
is Wikipage redirect of	Padding oracle CBC oracle CBC padding oracle CBC padding oracle attack
is foaf:primaryTopic of	wikipedia-en:Padding_oracle_attack

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